Editing 1904 Summer Olympics (section)

==Participating nations==
[[File:1904 Summer Olympic games countries.png|thumb|400px|Participants.
<br /><span style="color:#1e90ff;">'''Blue'''</span> = Participated for the first time
<br /><span style="color:#00ff7f;">'''Green'''</span> = Previously participated
<br />Host city ([[St Louis]]) marked by yellow square]]

[[File:1904 Summer olympics team numbers.png|thumb|400px|Number of athletes from each country]]

Athletes from thirteen nations competed in St. Louis. Numbers in parentheses indicate the number of known competitors for each nation.<ref name="Mallon">{{Cite web|url=http://www.la84foundation.org/6oic/OfficialReports/Mallon/1904.pdf|title=1904 Olympic Games – Analysis and Summaries|last=Mallon|first=Bill|year=1998|access-date=August 8, 2011|publisher=LA84 Foundation|archive-url=https://web.archive.org/web/20110708103043/http://www.la84foundation.org/6oic/OfficialReports/Mallon/1904.pdf|archive-date=July 8, 2011|url-status=dead}}</ref> Due to the difficulty of getting to St. Louis in 1904, and European tensions caused by the [[Russo-Japanese War]], only 69–74 athletes from outside North America participated in the Olympics.
{| class="wikitable collapsible" style="width:100%;"
|-
! Participating [[:Category:Nations at the 1904 Summer Olympics|National Olympic Committees]]
|-
|
{{Div col|colwidth=30em}}
* {{flagIOC|AUS|1904 Summer|3}}
* {{flagIOC|AUT|1904 Summer|2}}
* {{flagIOC|CAN|1904 Summer|56}}
* {{flagIOC|CUB|1904 Summer|3}}
* {{flagIOC|FRA|1904 Summer|1}}
* {{flagIOC|GER|1904 Summer|22}}
* {{flagIOC|GBR|1904 Summer|3}}
* {{flagIOC|GRE|1904 Summer|14}}
* {{flagIOC|HUN|1904 Summer|4}}
* {{flagIOC|NOR|1904 Summer|2}}
* {{flagIOC|RSA|1904 Summer|8}}
* {{flagIOC|SUI|1904 Summer|2}}
* {{flagIOC|USA|1904 Summer|526}} '''(host)'''
{{div col end}}
|}

===Disputed===
Some sources also list athletes from the following nations as having competed at these Games:
* {{flagIOC|ITA|1904 Summer|1}}<ref>{{cite web |url=https://www.sports-reference.com/olympics/countries/ITA/summer/1904/ |archive-url=https://web.archive.org/web/20200417042116/https://www.sports-reference.com/olympics/countries/ITA/summer/1904/ |url-status=dead |archive-date=2020-04-17 |title=Italy at the 1904 St. Louis Summer Games |work=Sports Reference}}</ref>
* [[file:Flag_of_Newfoundland_(1870–1904).svg|border|22px]] [[Newfoundland Colony]] (1)<!-- note that the dominion of Newfoundland was only created in 1907 --><ref>{{cite web |url=https://www.sports-reference.com/olympics/countries/NFL/summer/1904/ |archive-url=https://web.archive.org/web/20200417092409/https://www.sports-reference.com/olympics/countries/NFL/summer/1904/ |url-status=dead |archive-date=2020-04-17 |title=Newfoundland at the 1904 St. Louis Summer Games |work=Sports Reference}}</ref>

====Number of athletes by National Olympic Committees====
{| class="wikitable collapsible collapsed sortable" style="border:0;"
|-
! Country
! Athletes
|-
| {{flagIOC|USA|1904 Summer}} ||align=center| 528
|-
| {{flagIOC|CAN|1904 Summer}} ||align=center| 56
|-
| {{flagIOC|GER|1904 Summer}} ||align=center| 22
|-
| {{flagIOC|GRE|1904 Summer}} ||align=center| 14
|-
| {{flagIOC|RSA|1904 Summer}} ||align=center| 8
|-
| {{flagIOC|HUN|1904 Summer}} ||align=center| 4
|-
| {{flagIOC|GBR|1904 Summer}} ||align=center| 3
|-
| {{flagIOC|AUS|1904 Summer}} ||align=center| 3
|-
| {{flagIOC|CUB|1904 Summer}} ||align=center| 3
|-
| {{flagIOC|AUT|1904 Summer}} ||align=center| 2
|-
| {{flagIOC|NOR|1904 Summer}} ||align=center| 2
|-
| {{flagIOC|SUI|1904 Summer}} ||align=center| 2
|-
| {{flagIOC|FRA|1904 Summer}} ||align=center| 1
|- class="sortbottom"
|style="text-align:right; border:0px; background:#fff;"| '''Total''' ||style="text-align:center; border:0px; background:#fff;"| '''648'''
|-
|}